<template>
    <div>
    <city-header></city-header>
    <city-search :cities ='cities'></city-search>
    <city-list :cities ="cities" :hot = 'hotCities' :letter='letter'></city-list>
    <city-alphabet :cities='cities'
    @change="handleLetterChange"
    ></city-alphabet>
    </div>
</template>
<script>
import axios from 'axios'
import CityHeader from './components/Header'
import CitySearch from './components/Search'
import CityList from './components/List'
import CityAlphabet from './components/Alphabet'
export default {
    name:'City',
    components: {
        CityHeader,
        CitySearch,
        CityList,
        CityAlphabet
    },
    data () {
        return {
            cities : {},
            hotCities: [],
            letter:''
        }
    },
    methods:{
        getCityInfo (){
            axios.get('/api/city.json')
            .then(this.handleGetCityInfoSucc)
        },
        handleGetCityInfoSucc (res){
            res = res.data
            if(res.ret && res.data) {
                const data = res.data
                this.cities = data.cities
                this.hotCities = data.hotCities
            }
        },
        handleLetterChange (letter){
            this.letter = letter
        }
    },
    mounted () {
        this.getCityInfo()
    }
}
</script>
<style lang = 'stylus' scoped>

</style>
